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Hi Emily,
As Elaine says, that is a bug. Looking at the code, I can see there is a workaround you can use until the bug is fixed. Use the command "sequence header rmsd setting atoms backbone" which will switch from using carbon alphas to the backbone atoms
appropriate for the polymer type of the chain. You should then see actual histogram values in the RMSD header on the sequence and the "color byattribute seq_rmsd" command should work.
--Eric
Eric Pettersen
UCSF Computer Graphics Lab
> On May 1, 2022, at 9:02 AM, Elaine Meng via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
>
> Hi Emily,
> That is a bug -- the problem is that currently, ChimeraX assumes the alignment is protein and tries to calculate the alpha-carbon RMSD rather than using nucleic-acid atoms. I will create a bug ticket with you as the reporter so that you will be notified
of any fixes.
>
> Thanks for reporting it!
> Best,
> Elaine
> -----
> Elaine C. Meng, Ph.D.
> UCSF Chimera(X) team
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
>
>
>> On Apr 30, 2022, at 10:59 AM, Rundlet, Emily via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
>>
>> Hi ChimeraX developers,
>>
>> Is there a way to color nucleic acids by seq_rmsd?
>>
>> When I use the following, no atoms are colored.
>>
>> mm #1 to #2 matrix Nucleic showAlignment true
>> color byattribute seq_rmsd #2
>>
>> Thank you in advance for your help!
>>
>> -Emily
>>
>
>
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